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-   -   U.K. to Launch New 'Super Submarine' (https://www.subsim.com/radioroom/showthread.php?t=178017)

Oberon 12-15-10 04:04 PM

Don't ask me why...but I've got high hopes for Ambush. :salute:

razark 12-15-10 04:12 PM

Quote:

Originally Posted by XabbaRus (Post 1554146)
Most defence journos don't know jack and write stupid things like "more advanced that the space shuttle"...

The space shuttle doesn't work very well under water, but the HMS Ambush does. Therefore, it must be more advanced.

Jimbuna 12-16-10 08:17 AM

Quote:

Originally Posted by razark (Post 1554212)
The space shuttle doesn't work very well under water, but the HMS Ambush does. Therefore, it must be more advanced.

LOL :DL

Weiss Pinguin 12-16-10 10:53 AM

Quote:

Originally Posted by XabbaRus (Post 1554146)
Most defence journos don't know jack and write stupid things like "more advanced that the space shuttle"...

Oh well..

You're just jealous you didn't think of it first :smug:

Gargamel 12-16-10 03:39 PM

Quote:

Originally Posted by onelifecrisis (Post 1553804)
Great. Now we just need another war to justify the expense. That shouldn't take long; over the last three centuries we've averaged one war every three years.

Really? I knew you guys were fiesty blokes, but jeez......


And bigger but quieter, yet the "Hole in the Ocean" type sonar search will pick it out quicker then.

TLAM Strike 12-16-10 03:42 PM

Quote:

Originally Posted by Gargamel (Post 1554897)
And bigger but quieter, yet the "Hole in the Ocean" type sonar search will pick it out quicker then.

Maybe it employs active noise cancellation like the Akula to solve that problem? The UK has had quite a while to figure that little secret out since the cold war ended... :hmmm:

Gargamel 12-16-10 03:48 PM

Quote:

Originally Posted by TLAM Strike (Post 1553831)
"

Although I do know our book needs an underwater battle between Navy SEALs and North Korean frogmen in the shadow of a the sunken British Sub while the the USS Texas and a couple Chinese Shang class SSNs face off for who will recover the Ambush and her trapped crew. :ping:


Dont forget the Ambush can still fire some eels even though she's been sunk!

the_tyrant 12-16-10 04:02 PM

is there anyway to hide a sub as a school of fish or a whale?
maybe by playing sounds in the ocean? or by changing the shape of the sub?

Skybird 12-16-10 07:14 PM

Anyone else having a problem with believing the claim that passive sonar type 2076 finds and tracks objects at ranges of 3000 miles...?

Gargamel 12-16-10 07:17 PM

Quote:

Originally Posted by Skybird (Post 1555004)
Anyone else having a problem with believing the claim that passive sonar type 2076 finds and tracks objects at ranges of 3000 miles...?

you mean when it leaves New York it can't hear ships in San Francisco!?!
Gasp! :doh:

krashkart 12-16-10 07:25 PM

Quote:

Originally Posted by Gargamel (Post 1555009)
you mean when it leaves New York it can't hear ships in San Francisco!?!
Gasp! :doh:

It would be able to in SH3. :O:

Madox58 12-16-10 07:44 PM

Quote:

Originally Posted by krashkart (Post 1555018)
It would be able to in SH3. :O:

No, in SH3?
The DD in port at SF would see YOU!
Then it would ground itself and sink trying to get to you.
:haha:

krashkart 12-16-10 08:42 PM

Quote:

Originally Posted by privateer (Post 1555033)
No, in SH3?
The DD in port at SF would see YOU!
Then it would ground itself and sink trying to get to you.
:haha:

Right, I got that mixed up. :haha:

TLAM Strike 12-16-10 09:43 PM

Quote:

Originally Posted by the_tyrant (Post 1554912)
is there anyway to hide a sub as a school of fish or a whale?
maybe by playing sounds in the ocean? or by changing the shape of the sub?

Not really, do this experiment: Talk to a friend in person then have them talk to you on the phone. Notice how they sound different each time. The speaker reproduces their sound but not exactly, it cuts off the bottom and top of the amplitude sine wave. Narrowband analysis can show this. But that is not to say that artificial noise can't mask a submarine's tonal by flooding the freqs around that with random noise.

Quote:

Originally Posted by Skybird (Post 1555004)
Anyone else having a problem with believing the claim that passive sonar type 2076 finds and tracks objects at ranges of 3000 miles...?

Its possible but under very specific circumstances. In WWII detection of sounding charges were heard as far as 900 miles using the deep sound channel. Three SOSUS stations (Newfoundland was one) detected the implosion of the Scorpion near the Azores, thousands of miles away.

Gargamel 12-16-10 11:31 PM

Quote:

Originally Posted by TLAM Strike (Post 1555083)

Its possible but under very specific circumstances. In WWII detection of sounding charges were heard as far as 900 miles using the deep sound channel. Three SOSUS stations (Newfoundland was one) detected the implosion of the Scorpion near the Azores, thousands of miles away.

But I think the problem most of are having are the words, "finds and tracks"

I understand loud noises over great distances, or sound channels carrying intermittent sounds great distances. Detection is not the problem, tracking is. But isn't one of the problems with tracking through the deep sound channel the fact that range (Other than "It's really effing far way cap'n") is practically impossible to tell since it's actually based on some sort of harmonic? IE, the contact would be a possibility of ranges of multiples of say 30 miles, ie it could be at 60. 90, 120, or 150 miles, etc?


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